Spring Boot：自动编码不适用于 TestRestTemplate答案

【问题标题】：Springboot : Autodecoding does not work with TestRestTemplateSpring Boot：自动编码不适用于 TestRestTemplate
【发布时间】：2019-04-25 14:38:28
【问题描述】：

我有一个在 Tomcat 上运行的 Spring-Boot 应用程序。在其中，我有一个带有请求参数的 RestController。


@RequestMapping(value = "/v1/test", method = RequestMethod.GET,produces = MediaType.APPLICATION_JSON_VALUE)
     public String getV2LocationByName(
                                      @RequestParam
                                      String cityName cityName,
                                      @RequestParam(value = LANGUAGE, defaultValue = US_ENGLISH_LOCALE) String language,
                                      HttpServletRequest request) throws InterruptedException, ExecutionException {
--------------
---------------
 System.out.println(cityName);
}

当我调试 Spring Boot 应用程序时，请求参数 cityName 被解码即如果URL是http://localhost:8080/v1/test?cityName=Andaman%26Nicobar，它会被解码成http://localhost:8080/v1/test?cityName=Andaman&Nicobar。

但是当我写了一个spring mvc测试时：

@RunWith(SpringRunner.class)
@SpringBootTest( webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)

public class ApplicationTest {


    @LocalServerPort
    private int port;

    TestRestTemplate restTemplate = new TestRestTemplate();

    HttpHeaders headers = new HttpHeaders();

    @Test
    public void testRetrieveStudentCourse() {

            HttpEntity<String> entity = new HttpEntity<String>(null, headers);

            ResponseEntity<String> response = restTemplate.exchange(
                            createURLWithPort("v1/test?cityName=Andaman%26Nicobar"),
                            HttpMethod.GET, entity, String.class);



    }

    private String createURLWithPort(String uri) {
            return "http://localhost:" + port + uri;
    }

当我调试这个测试和控制器时，这次没有解码cityName。为什么会这样？如何为此添加单元测试？

【问题讨论】：

标签： java spring-boot spring-mvc resttemplate urldecode

【解决方案1】：

解决了这个问题

@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
public class WeChatOauthControllerTest {

 @LocalServerPort
    private int port;

    TestRestTemplate restTemplate = new TestRestTemplate();

  @Test
    public void testRetrieveStudentCourse(){
        ResponseEntity<String> response = 
        restTemplate.exchange(createURI("%26"),HttpMethod.GET, null, String.class);
        assertEquals(response.getStatusCode(), HttpStatus.OK);
    }

  private URI createURI(String param){
        URI uri = null;
        String url = "http://localhost:"+ port +"/v1/test?query=" + param;
        try {
            uri = new URI(url);
        } catch (URISyntaxException e) {
           log.error(e.getMessage());
        }
        return uri;
    }

【讨论】：